PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/14-16:12:30
G02     42.6           47.4               10.2 +/-    0.98      13.3 +/-    0.98  0.020 / 0.030
G05     123.5          68.8               12.1 +/-    0.79      12.8 +/-    0.79  0.030 / 0.040
G06     59.4           10.2                9.1 +/-    4.07      25.3 +/-    4.07  0.030 / 0.040
G12     192.6          56.7               13.9 +/-    1.83      16.3 +/-    1.83  0.050 / 0.050
G20     200.3          36.6               14.1 +/-    0.66      21.7 +/-    0.66  0.050 / 0.110
G25     274.7          59.1               14.0 +/-    0.90      16.0 +/-    0.90  0.060 / 0.120
G29     317.5          40.7               12.1 +/-    1.02      17.4 +/-    1.02  0.120 / 0.330